kwin/keyboard_layout_switching.h

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2017 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef KWIN_KEYBOARD_LAYOUT_SWITCHING_H
#define KWIN_KEYBOARD_LAYOUT_SWITCHING_H
#include <QObject>
#include <QHash>
namespace KWin
{
class AbstractClient;
class KeyboardLayout;
class Xkb;
class VirtualDesktop;
namespace KeyboardLayoutSwitching
{
class Policy : public QObject
{
Q_OBJECT
public:
virtual ~Policy();
virtual QString name() const = 0;
static Policy *create(Xkb *xkb, KeyboardLayout *layout, const QString &policy);
protected:
explicit Policy(Xkb *xkb, KeyboardLayout *layout);
virtual void clearCache() = 0;
virtual void layoutChanged() = 0;
void setLayout(quint32 layout);
quint32 layout() const;
private:
Xkb *m_xkb;
KeyboardLayout *m_layout;
};
class GlobalPolicy : public Policy
{
Q_OBJECT
public:
explicit GlobalPolicy(Xkb *xkb, KeyboardLayout *layout);
~GlobalPolicy() override;
QString name() const override {
return QStringLiteral("Global");
}
protected:
void clearCache() override {}
void layoutChanged() override {}
};
class VirtualDesktopPolicy : public Policy
{
Q_OBJECT
public:
explicit VirtualDesktopPolicy(Xkb *xkb, KeyboardLayout *layout);
~VirtualDesktopPolicy() override;
QString name() const override {
return QStringLiteral("Desktop");
}
protected:
void clearCache() override;
void layoutChanged() override;
private:
void desktopChanged();
QHash<VirtualDesktop *, quint32> m_layouts;
};
class WindowPolicy : public Policy
{
Q_OBJECT
public:
explicit WindowPolicy(Xkb *xkb, KeyboardLayout *layout);
~WindowPolicy() override;
QString name() const override {
return QStringLiteral("Window");
}
protected:
void clearCache() override;
void layoutChanged() override;
private:
QHash<AbstractClient*, quint32> m_layouts;
};
class ApplicationPolicy : public Policy
{
Q_OBJECT
public:
explicit ApplicationPolicy(Xkb *xkb, KeyboardLayout *layout);
~ApplicationPolicy() override;
QString name() const override {
return QStringLiteral("WinClass");
}
protected:
void clearCache() override;
void layoutChanged() override;
private:
void clientActivated(AbstractClient *c);
QHash<AbstractClient*, quint32> m_layouts;
};
}
}
#endif